html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
body{
    overflow: auto;
    font-family:"微软雅黑";
}
a{
	text-decoration: none;
}
ul,ol{
    list-style-type: none;
}
/*顶部导航*/
    .top_nav{
    	width: 100%;
    	height: 100px;
    	background-color: #333;
    	border-bottom: 1px solid #202020;
    }
    .top_nav .nav_center{
    	width: 1000px;
    	height: 100px;
    	margin: 0 auto;
    	position: relative;
    }
    .top_nav .nav_center .img_logo{
    	position: absolute;
    	top: 19px;
    }
    .top_nav .nav_center .img_west{
    	position: absolute;
    	left: 210px;
    }
    .top_nav .nav_center .nav_center_center{
    	position: absolute;
    	left: 392px;
    }
    .top_nav .nav_center .nav_center_center ul li{
    	float: left;
    }
    .top_nav .nav_center .nav_center_center ul li a{
    	font-family: "微软雅黑";
    	font-size: 24px;
    	color: #e7e7e7;
        line-height: 100px;
    }
    .top_nav .nav_center .search{
    	width: 187px;
    	height: 35px;
        padding-left:12px; 
        padding-right:20px;
        border-radius: 7px; 
        background-color: #ccc;
        position: absolute;
        right: 100px;
        top: 32.5px;
    }
    .top_nav .nav_center .search .inputs{
    	background-color: #ccc;
    	border:none;
    	position: absolute;
    	top:8px;
    	font-size: 14px;
    	color: #999;
    }
    .top_nav .nav_center .search img{
    	position: absolute;
    	right: 20px;
    	top: 7.5px;
    }
    .top_nav .nav_center .sign{
        width: 100px;
        position: absolute;
        right: 0;
        top: 40px;
        font-size: 15px;
    }
    .top_nav .nav_center .sign span:nth-child(1){
        margin-left:12px;
    }
    .top_nav .nav_center .sign span:nth-child(2){
        margin-left:10px;
        margin-right: 4px;
    }

    .top_nav .nav_center .sign span a{
        color: #e7e7e7;
    }
    .top_nav .nav_center .sign span:nth-child(3){
        position: absolute;
        right: 0;
    }
/*顶下导航*/
    .under_top_nav{
    	width:100%;
    	height: 50px;
    	background-color: #333;
    	border-bottom:1px solid #e7a80c; 
    }
    .under_top_nav .under_nav_center{
    	width: 448px;
    	height: 50px;
    	margin: 0 auto;
    }
    .under_top_nav .under_nav_center ul li{
    	float: left;
    	margin-right: 46px;
    }
    .under_top_nav .under_nav_center ul li:last-child{
    	margin: 0
    }
    .under_top_nav .under_nav_center ul li a{
    	font-size: 14px;
    	color: #ededed;
    	line-height: 50px;
    	text-align: center;
    }



/*底部*/
    .bottom_box{
    	width: 100%;
    	height: 150px;
    	background-color: #333;
    }
    .bottom_box .bottom_message{
    	padding-top: 42px;
    	text-align: center;
    	font-size: 12px;
    	color: #ededed;
    }
    .bottom_box .bottom_message a{
        text-align: center;
        margin-right: 8px;
        margin-left: 8px;
    	font-size: 12px;
    	color: #ededed;
    }
    .bottom_box .bottom_message .copyright{
    	font-size: 16px
    }
    .bottom_box .bottom_message a:last-child{
    	margin-right: 50px;
    }
    .bottom_box .company_message{
    	padding-top: 30px;
    	text-align: center;
    	font-size: 12px;
    	color: #ededed;
    	padding-bottom: 38px;
    }